Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Tampa Bay, FL

August 6, 2012Hillsborough County, Florida

NWS Tampa Bay, FL issued this special weather statement at Aug 6, 2012, 4:12 PM EDT for Hillsborough County, Florida. It was in force for 48 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 6, 2012, 4:12 PM EDT (20:12 UTC)
Expired
Aug 6, 2012, 5:00 PM EDT
In force
48 min
Issued by
NWS Tampa Bay, FL

County Hillsborough County, FL

The radar

The Tampa radar (KTBW), 21 km from the middle of the area, began a volume at 20:11 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Aug 6, 4:15 PM EDTHAIL 0.25Tampa, FLPUBLIC REPORTED PEA SIZED HAIL NEAR MARTIN LUTHER KING JR. BLVD. AND HIGHLAND AVENUE IN TAMPA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 8.2 hours before the alert went out and 21 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Tampa Bay, FL at 12:00Z on 2012-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1926 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 2012-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1926 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
637 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
-8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

210 
WWUS82 KTBW 062012
SPSTBW

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
412 PM EDT MON AUG 6 2012

FLZ051-062100-
HILLSBOROUGH-
412 PM EDT MON AUG 6 2012

...STRONG THUNDERSTORMS WILL AFFECT WESTERN HILLSBOROUGH COUNTY...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES STRONG THUNDERSTORMS
LOCATED ALONG A LINE EXTENDING FROM BUSCH GARDENS TO WIMAUMA...OR
ALONG A LINE EXTENDING FROM TEMPLE TERRACE TO 13 MILES SOUTH OF FISH
HAWK...MOVING NORTH AT 10 MPH...WILL AFFECT TAMPA EXECUTIVE
AIRPORT...MANGO...FLORIDA STATE FAIRGROUNDS AND ORIENT PARK...UNTIL
500 PM EDT.

THIS INCLUDES INTERSTATE 75 BETWEEN EXITS 240 AND 266.

GUSTY WINDS 35 TO 45 MPH WILL BE POSSIBLE. FREQUENT LIGHTNING IS 
EXPECTED. TO BE SAFE GO INDOORS IMMEDIATELY. IF CAUGHT 
OUTSIDE...FIND A LOW SPOT...AND STAY AWAY FROM TALL OBJECTS. THESE 
STORMS MAY PRODUCE PEA SIZE HAIL. WHEN DRIVING THROUGH HEAVY 
RAIN...SLOW DOWN. ALWAYS LEAVE A SAFE DISTANCE BETWEEN YOU AND OTHER 
VEHICLES.

&&

LAT...LON 2816 8238 2765 8216 2766 8237 2781 8245
      2782 8241 2784 8241 2783 8244 2786 8241
      2789 8241 2792 8248 2787 8248 2811 8260
TIME...MOT...LOC 2012Z 158DEG 9KT 2801 8243 2768 8229

$$

The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 6, 3:04 PM EDTSpecial Weather StatementTBWManatee, Sarasota41 min
Aug 6, 3:16 PM EDTSpecial Weather StatementTBWLee44 min
Aug 6, 3:39 PM EDTSpecial Weather StatementTBWManatee, Sarasota51 min
Aug 6, 3:42 PM EDTAreal Flood AdvisoryTBWManatee63 min
Aug 6, 4:14 PM EDTSpecial Weather StatementTBWPinellas46 min
Aug 6, 4:32 PM EDTSpecial Weather StatementTBWLee13 min
Aug 6, 4:48 PM EDTSpecial Weather StatementTBWCharlotte42 min
Aug 6, 4:52 PM EDTAreal Flood AdvisoryTBWHillsborough53 min
Aug 6, 5:00 PM EDTSpecial Weather StatementTBWPasco45 min
Aug 6, 5:40 PM EDTSpecial Weather StatementTBWPasco5 min
Aug 6, 6:18 PM EDTSpecial Weather StatementTBWManatee, Sarasota42 min

Nearby

Special Weather Statements in Florida, 2012Every special weather statement in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.